@mattab opened this Issue on June 22nd 2015 Owner
  • Example URL to reproduce (requires login to demo)
    • Got: <b>Fatal error</b>: Allowed memory size of 536870912 bytes exhausted (tried to allocate 88 bytes) in <b>/home/piwik-demo/www/demo.piwik.org/core/Metrics.php</b> on line <b>196</b><br /> (I since reverted memory limit to 256M)
    • Expected: report loads fast and does not use more than 256M of memory
@tsteur commented on June 23rd 2015 Owner

Expected: report loads fast and does not use more than 256M of memory

That's a bit a random requirement. How much does it actually take? Can you increase to 1GB and see if it works and how much it actually uses?

I think it'd be better to check if we can find a memory leak or something but a 512MB memory usage might be valid

@mattab commented on June 23rd 2015 Owner

After changing memory limit to 1024M, the row evolution loads. It took 1 min to load the report (period month) which is quite slow.

Surprisingly

  • it is only very slow for Period = Week or Month or Year
  • It is very fast for period = day and period = range (takes 1 second)
@mattab commented on June 23rd 2015 Owner

This only affects the "User cities" report, other Row Evolution reports load very fast

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